DARAPRIM pyrimethamine
is an antiparasitic
compound available
in tablet form for oral
administration. Each scored tablet
contains 25 mg pyrimethamine
and the inactive ingredients corn
and potato starch lactose
and magnesium stearate.

Pyrimethamine known chemically as 5-(4-chlorophenyl)-6-ethyl-2,4-pyrimidinediamine.
Its molecular formula
is C12H13ClN4 and its molecular
weight is 248.71.